Data is taken from "The Galilean Satellites: New Near-Infrared
Spectral Reflectance (0.65-2.5 microns) and a .325-.5 micron Summary", Clark
and McCord; Icarus, vol. 41, 323-329 (1980).  Figure 13, Ganymede Leading.
The "reflt" is the geometric albedo scaled to 1.0 at 1.02 microns

        wave           reflt          error
        (microns)
 
        .350000        .488778        .022660
        .375000        .590744        .011475
        .400000        .632155        .012826
        .433000        .752500        .011015
        .466000        .783059        .008976
        .500000        .869610        .007633
        .533000        .918507        .004766
        .566000        .955278        .001062
        .600000        .973874        .005927
        .633000       1.010833        .006079
        .666000       1.021557        .009361
        .700000       1.046712        .014544
        .733000       1.040900        .007402
        .766000       1.035977        .015017
        .800000       1.049606        .016115
        .833000       1.044146        .011011
        .866000       1.036557        .028109
        .875800       1.024999        .010262
        .887300       1.021165        .014272
        .899600       1.034304        .014550
        .911800       1.020286        .012051
        .924000       1.030958        .009350
        .936200       1.029095        .009665
        .948400       1.042202        .009352
        .961300       1.038585        .008708
        .973500       1.039581        .009291
        .986300       1.027841        .010708
        .997800       1.016098        .006993
       1.010800       1.001424        .011703
       1.021800        .991545        .009697
       1.034500        .984397        .007634
       1.047100        .975154        .008149
       1.059800        .974641        .008007
       1.072500        .989291        .009068
       1.085200        .982358        .008670
       1.097800        .967664        .013974
       1.109700        .968004        .014808
       1.122700        .933375        .013678
       1.135200        .924442        .010099
       1.147700        .915759        .010826
       1.160400        .903857        .011672
       1.173000        .900564        .011678
       1.185500        .871869        .012879
       1.198100        .877288        .012232
       1.210600        .872420        .012623
       1.223200        .862266        .010601
       1.235700        .842663        .012377
       1.248100        .813155        .015887
       1.261500        .810032        .013432
       1.274500        .811267        .011016
       1.353400        .886141        .016268
       1.375400        .841440        .028776
       1.397900        .860134        .033733
       1.419900        .874961        .025261
       1.441900        .823819        .019528
       1.463700        .703145        .013801
       1.486400        .571747        .010404
       1.506700        .486161        .006124
       1.525400        .458760        .004906
       1.548700        .463787        .005552
       1.568900        .466943        .013709
       1.590400        .487559        .006298
       1.611900        .523088        .005929
       1.632900        .534481        .006783
       1.655200        .527777        .007691
       1.677500        .551455        .007347
       1.699800        .602275        .010274
       1.722100        .633695        .009970
       1.744300        .651527        .010173
       1.764700        .671936        .011113
       1.786700        .681191        .011186
       1.808500        .663917        .009592
       1.831200        .624026        .012480
       1.853200        .643862        .016532
       1.876200        .620933        .014183
       1.899200        .548755        .011769
       1.922200        .450368        .007577
       1.945000        .382219        .007075
       1.968000        .357391        .006031
       1.990900        .334336        .007213
       2.012400        .331211        .005251
       2.034900        .348849        .005879
       2.057900        .344651        .006180
       2.080900        .358522        .008649
       2.104100        .387490        .007266
       2.127200        .416037        .008598
       2.150400        .466399        .008937
       2.173600        .503041        .007691
       2.197000        .515506        .010425
       2.218800        .541201        .011178
       2.241800        .548370        .010880
       2.263900        .543959        .011933
       2.285800        .519374        .011924
       2.306300        .475935        .010508
       2.327800        .439805        .010089
       2.348900        .407250        .012526
       2.370100        .394839        .009402
       2.391600        .379846        .008259
       2.412600        .369985        .008780
       2.434600        .345780        .008902
       2.454600        .331065        .008697
       2.474600        .316700        .008888
       2.495100        .312605        .007745
       2.537790        .304709        .023213
       2.618629        .304841        .023193
       2.688230        .265280        .025904
       2.758740        .109339        .020902
       2.828650        .030103        .013160
       2.898086        .011701        .026375
       2.967294        .022395        .023697
       3.036544        .027798        .023706
       3.105731        .041137        .023700
       3.198119        .041288        .023681
       3.267410        .041402        .021040
       3.348291        .036244        .026330
       3.417437        .054873        .023675
       3.509680        .073539        .023623
       3.578785        .097458        .023580
       3.659584        .102880        .023551
       3.728957        .092414        .023607
       3.809755        .097836        .026219
       3.890553        .103259        .026227
       3.960113        .068987        .023648
       4.040870        .079700        .031550
       4.132762        .143331        .057820